Home / 12,919,404.42-17,829,180.95-7,413,787.44

Finding the Fourth Proportional to 12,919,404.42, 17,829,180.95 and 7,413,787.44

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Solution

The fourth proportional to 12,919,404.42, 17,829,180.95 and 7,413,787.44 is: 10,231,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919,404.42 : 17,829,180.95 = 7,413,787.44 : x
  2. Step 2: Convert to fraction form
    12,919,404.42/17,829,180.95 = 7,413,787.44/x
  3. Step 3: Cross multiply
    12,919,404.42x = 17,829,180.95 × 7,413,787.44
  4. Step 4: Simplify right side
    12,919,404.42x = 132,181,757,755,528.34
  5. Step 5: Solve for x
    x = 132,181,757,755,528.34/12,919,404.42
  6. Step 6: Final answer
    x = 10,231,257.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.